* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.dashboard {
    max-width: 800px;
    width: 90%;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: #667eea;
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: translateY(-2px);
}

.btn-logout {
    width: auto;
    padding: 8px 16px;
    background: #dc3545;
    margin-top: 10px;
}

.user-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.users-table th,
.users-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.users-table th {
    background-color: #667eea;
    color: white;
}

.users-table tr:hover {
    background-color: #f5f5f5;
}

.loading {
    text-align: center;
    color: #666;
    padding: 20px;
}

.error {
    color: #dc3545;
    text-align: center;
    padding: 10px;
    background: #f8d7da;
    border-radius: 5px;
    margin: 10px 0;
}